CN207738791U - A kind of efficient upright furnace cooling chamber - Google Patents
A kind of efficient upright furnace cooling chamber Download PDFInfo
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- CN207738791U CN207738791U CN201721755609.5U CN201721755609U CN207738791U CN 207738791 U CN207738791 U CN 207738791U CN 201721755609 U CN201721755609 U CN 201721755609U CN 207738791 U CN207738791 U CN 207738791U
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Abstract
The utility model is related to a kind of efficient upright furnace cooling chamber, the cooling chamber is surrounded and is formed by the cooling chamber wall of both sides, regenerative chamber wall, protection wall and discharge gate furnace retaining ironware, top and the perforation of reduction room of cooling chamber；The cooling chamber of the both sides is respectively equipped with cooled gas path within the walls, multiple cooled gas paths are along cooling chamber height to being uniformly arranged, each cooled gas path is grown along cooling chamber to multiple cooling gas outlets or cooling gas inlet is uniformly provided with, and cooling gas outlet, cooling gas inlet are connected to cooling chamber inner space respectively and opening direction is towards obliquely downward on the inside of cooling chamber.The utility model can cool down the gas direct heat transfer of the high-temperature sponge iron after upright furnace reduction, it is combined by the indirect heat exchange cooling of the water cooling plant outside the indoor direct heat transfer cooling of cooling and stove, both the heat exchange efficiency of cooling procedure had been improved, the high temperature resistant requirement to discharge device outside stove and water cooling plant can be reduced again, reduce auxiliary device investment.
Description
Technical field
The utility model is related to a kind of upright furnace more particularly to a kind of external-heat coal base for producing direct reduced iron are straight
The cooling chamber of vertical stove.
Background technology
Direct reduction processes of Iron ores is one of modern steel industry important process, and product is that the high-quality clean steel of production can not
The raw material of shortage, is conducive to STEEL INDUSTRY CONSTRUCTION ADJUSTMENT, is conducive to energy-saving and emission-reduction, will drop as steel and iron industry Resource regeneration
The indispensable component part in the roads Tan Zhi.
Direct reduction processes of Iron ores is divided into gas base, coal base technology by reducing agent form, has tens kinds of techniques to realize work
Industry metaplasia is produced.Gas base technology accounts for 75% or so of the directly former iron production capacity in the current world, although technology is mature on the whole, uses day
The technology of right gas does not have cost advantage in China；Using the engineering investment of coal gas is high, process links are more, production cost
It is not low.In coal base technology, kiln process aggregated capacity is maximum, but to ingredient requirement harshness, the investment of unit production capacity is high, operating cost
Height, operation difficulty is big, and single seat production scale difficulty expands, and production is unstable；Tunnel furnace method degree of metalization is high, but high energy consumption, pollution
Seriously, single machine production capacity is small；Rotary hearth furnace method is a kind of effective ways as processing metallurgical works ion dust mud contaning, is used for producing steel-making
Reduced iron, processing vanadium titano-magnetite, because of reasons such as its degree of metalization, product qualities, it is also difficult to obtain benefit.Therefore, in recent years
Coal base shaft furnace process becomes new research direction.
Coal base shaft furnace process is using the KM flows of Italy as representative, and fuel burns in shaft furnace, and the heat of generation passes through stove
Wall passes to the indoor furnace charge of reduction, and the mode that the high-temperature sponge iron of generation cools down in stove external application water cooling equipment cools down, due to life
At its temperature of high-temperature sponge iron between 800 DEG C~1050 DEG C, therefore to discharge apparatus and water cooling equipment high temperature resistant require it is high,
Equipment investment is huge, relevant departments' once some unit development test KM flow process in organizing nation, but because investment cost height etc.
Reason fails to implement.
Application No. is 201611050878.1 Chinese patents to disclose " a kind of based shaft kiln directly reduced technique of coal ", wherein
Record that " after the completion of reduction, mixture is cooled to 500-850 DEG C of hot drop temperature or cold drop temperature 50-150 by cooling section
After DEG C, discharged out of the furnace by the discharge device of coal base shaft furnace；" but its for how to realize that detailed note is not done in the cooling of furnace charge
It carries.
Invention content
The utility model provides a kind of efficient upright furnace cooling chamber, can be by the high-temperature sponge iron after upright furnace reduction
It is cooled down with gas direct heat transfer, phase is cooled down by the indirect heat exchange of the water cooling plant outside the indoor direct heat transfer cooling of cooling and stove
In conjunction with, the heat exchange efficiency of cooling procedure was not only improved, but also the high temperature resistant requirement to discharge device outside stove and water cooling plant can be reduced,
Reduce auxiliary device investment.
In order to achieve the above object, the utility model is realized using following technical scheme：
A kind of efficient upright furnace cooling chamber, the cooling chamber is by the cooling chamber wall of both sides, regenerative chamber wall, protection wall and discharge
Mouth furnace retaining ironware surrounds composition, top and the perforation of reduction room of cooling chamber；The cooling chamber of the both sides is respectively equipped within the walls
Cooled gas path, for multiple cooled gas paths along cooling chamber height to being uniformly arranged, each cooled gas path is long along cooling chamber
To being uniformly provided with the outlet of multiple cooling gas or cooling gas inlet, cooling gas outlet, cooling gas inlet respectively with cooling
Chamber inner space is connected to and opening direction is towards obliquely downward on the inside of cooling chamber.
The cooling gas inlet and cooling gas outlet are oppositely arranged；That is the cooled gas path of side cooling chamber within the walls
On be all provided with cooling gas inlet, be all provided in the cooled gas path of other side cooling chamber within the walls cooling gas outlet.
Cooling gas inlet, the cooling chamber wall of both sides are all provided in the cooled gas path of the cooling chamber wall lower part of the both sides
Cooling gas outlet is all provided in the cooled gas path on top.
The cooled gas path is formed by laying fireproof bricks, or the stainless steel tube by being threaded through in refractory brick forms.
Cooling chamber width suitable for reading is matched with the width of mouth under reduction room, and it is suitable for reading to be more than cooling chamber for the width of mouth under cooling chamber
Width.
Compared with prior art, the utility model has the beneficial effects that：
1) water cooling plant indirect heat exchange cooling outside indoor gas direct heat transfer cooling and stove is cooled down by upright furnace to match,
Improve the heat exchange efficiency of cooling procedure；
2) it is cooled down by cooling chamber gas direct heat transfer in upright furnace, high-temperature sponge iron can be cooled to 100 DEG C~350 DEG C
In range, there is no need to propose high temperature resistant requirement to discharge device outside stove and water cooling plant, auxiliary device investment can be reduced.
Description of the drawings
Fig. 1 is a kind of longitudinal sectional view one of efficient upright furnace cooling chamber described in the utility model.
Fig. 2 is the A-A views in Fig. 1.
Fig. 3 is a kind of longitudinal sectional view two of efficient upright furnace cooling chamber described in the utility model.
Fig. 4 is the B-B views in Fig. 3.
In figure：1. 4. cooling gas inlet of cooling chamber 2. cooling chamber wall, 3. cooled gas path suitable for reading, 5. cooling gas exports
6. mouth under cooling chamber
Specific implementation mode
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
As shown in Figure 1, Figure 3, a kind of efficient upright furnace cooling chamber described in the utility model, the cooling chamber is by both sides
Cooling chamber wall 2, regenerative chamber wall, protection wall and discharge gate furnace retaining ironware surround composition, top and the perforation of reduction room of cooling chamber；
It is respectively equipped with cooled gas path 3 in the cooling chamber wall 2 of the both sides, multiple cooled gas paths 3 are along cooling chamber height to uniform
Setting, each cooled gas path 3 is grown along cooling chamber to being uniformly provided with multiple cooling gas outlet 5 or cooling gas inlet 4, cold
But gas vent 5, cooling gas inlet 4 are connected to cooling chamber inner space respectively and opening direction is towards skew back in cooling chamber
Lower section.
As shown in Figure 1 and Figure 2, the cooling gas inlet 4 and cooling gas outlet 5 are oppositely arranged；That is side cooling chamber wall
It is all provided with cooling gas inlet 4 in cooled gas path 3 in 2, is all provided in the cooled gas path 3 in other side cooling chamber wall 2
Cooling gas outlet 5.
As shown in Figure 3, Figure 4, cooling gas is all provided in the cooled gas path 3 of 2 lower part of cooling chamber wall of the both sides to enter
Mouthfuls 4, cooling gas outlet 5 is all provided in the cooled gas path 3 on 2 top of cooling chamber wall of both sides.
The cooled gas path 3 is formed by laying fireproof bricks, or the stainless steel tube by being threaded through in refractory brick forms.
Cooling chamber width suitable for reading is matched with the width of mouth under reduction room, and it is suitable for reading to be more than cooling chamber for the width of mouth under cooling chamber
Width.
A kind of efficient upright furnace cooling chamber described in the utility model is located at lower part, the regenerative chamber of reduction room and combustion chamber
Side, surrounded and formed by the cooling chamber wall 2 of both sides, regenerative chamber wall, protection wall and discharge gate furnace retaining ironware；Cooling gas exists
Cooling indoor horizontal flows up, can be by 800 DEG C~1000 DEG C of high temperature with the sponge iron direct heat transfer flowed from top to bottom
Sponge iron is cooled within the scope of 100 DEG C~350 DEG C；Cooling gas is the generation gas of direct reduction iron making reaction, predominantly an oxygen
The gaseous mixture for changing carbon and carbon dioxide, can also be used the inert gases such as nitrogen.
Cooled gas path equipped with cooling gas inlet 4 respectively with enter furnace gas pipeline (wind turbine positive pressure outlet end) and connect,
Cooled gas path equipped with cooling gas outlet 5 is connect with aspirating air pipe (blower negative pressure arrival end) respectively.
Following embodiment is implemented under premised on technical solutions of the utility model, gives detailed embodiment
With specific operating process, but the scope of protection of the utility model is not limited to following embodiments.Side used in following embodiments
Method is conventional method unless otherwise instructed.
【Embodiment 1】
As shown in Figure 1 and Figure 2, upright furnace cooling chamber described in the present embodiment is by the cooling chamber wall 2 of both sides, regenerative chamber wall, envelope
Wall and discharge gate furnace retaining ironware surround composition, and cooling chamber wall 2, regenerative chamber wall and protection wall are formed by refractory material laying；
With the perforation of reduction room at the top of cooling chamber, and mouth is of same size under cooling chamber width and reduction room suitable for reading；Cooled gas path 3 is divided
Cloth sets cooling gas inlet 4, the cooling chamber other side respectively in cooling chamber wall 2 in the cooled gas path 3 of the side of cooling chamber
Cooled gas path 3 on set cooling gas outlet 5 respectively, and the opening of cooling gas inlet/outlet 4,5 is towards cooling chamber
Interior obliquely downward.
Cooling gas enters cooling chamber by cooling gas inlet 4, and cooling gas flows in the horizontal direction in cooling chamber, most
Cooling chamber is left by cooling gas outlet 5 eventually；By the direct heat transfer of cooling gas and sponge iron, cooling gas can be by 800 DEG C
~1000 DEG C of high-temperature sponge iron is cooled within the scope of 100 DEG C~350 DEG C.
【Embodiment 2】
As shown in Figure 3, Figure 4, upright furnace cooling chamber described in the present embodiment by both sides cooling chamber wall 2, regenerative chamber wall, protection wall
Composition is surrounded with discharge gate furnace retaining ironware, cooling chamber wall 2, regenerative chamber wall and protection wall are formed by refractory material laying；It is cold
But the top of room and the perforation of reduction room, and mouth is of same size under cooling chamber width suitable for reading and reduction room；Cooled gas path 3 is divided
Cloth sets cooling gas inlet 4 in cooling chamber wall 2 in the cooled gas path 3 of cooling chamber lower part, is located at cooling chamber top
Cooled gas path 3 on set cooling gas outlet 5, and cooling gas inlet/outlet 4,5 opening towards cooling it is indoor
Obliquely downward.
Cooling gas enters cooling chamber by cooling gas inlet 4, and cooling gas flows up in cooling chamber, finally by cold
But gas vent 5 leaves cooling chamber；By the direct reverse heat-exchange of cooling gas and sponge iron, cooling gas can by 800 DEG C~
1000 DEG C of high-temperature sponge iron is cooled within the scope of 100 DEG C~350 DEG C.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of efficient upright furnace cooling chamber, the cooling chamber is by the cooling chamber wall of both sides, regenerative chamber wall, protection wall and discharge gate
Furnace retaining ironware surrounds composition, top and the perforation of reduction room of cooling chamber；It is characterized in that, the cooling chamber of the both sides is within the walls
Be respectively equipped with cooled gas path, multiple cooled gas paths along cooling chamber height to being uniformly arranged, each cooled gas path edge
Cooling chamber is grown to multiple cooling gas outlets or cooling gas inlet is uniformly provided with, and cooling gas outlet, cooling gas inlet divide
It is not connected to cooling chamber inner space and opening direction is towards obliquely downward on the inside of cooling chamber.
2. a kind of efficient upright furnace cooling chamber according to claim 1, which is characterized in that the cooling gas inlet and
Cooling gas outlet is oppositely arranged；Cooling gas inlet, the other side are all provided in the cooled gas path of side cooling chamber within the walls
Cooling gas outlet is all provided in the cooled gas path of cooling chamber within the walls.
3. a kind of efficient upright furnace cooling chamber according to claim 1, which is characterized in that the cooling chamber wall of the both sides
It is all provided with cooling gas inlet in the cooled gas path of lower part, is all provided in the cooled gas path on the cooling chamber wall top of both sides cold
But gas vent.
4. a kind of efficient upright furnace cooling chamber according to claim 1, which is characterized in that the cooled gas path by
Laying fireproof bricks form, or the stainless steel tube by being threaded through in refractory brick forms.
5. a kind of efficient upright furnace cooling chamber according to claim 1, which is characterized in that cooling chamber width suitable for reading with
The width for restoring mouth under room matches, and the width of mouth is more than cooling chamber width suitable for reading under cooling chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721755609.5U CN207738791U (en) | 2017-12-15 | 2017-12-15 | A kind of efficient upright furnace cooling chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721755609.5U CN207738791U (en) | 2017-12-15 | 2017-12-15 | A kind of efficient upright furnace cooling chamber |
Publications (1)
| Publication Number | Publication Date |
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| CN207738791U true CN207738791U (en) | 2018-08-17 |
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ID=63118238
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721755609.5U Active CN207738791U (en) | 2017-12-15 | 2017-12-15 | A kind of efficient upright furnace cooling chamber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107937652A (en) * | 2017-12-15 | 2018-04-20 | 中冶焦耐(大连)工程技术有限公司 | A kind of efficient upright furnace cooling chamber |
-
2017
- 2017-12-15 CN CN201721755609.5U patent/CN207738791U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107937652A (en) * | 2017-12-15 | 2018-04-20 | 中冶焦耐(大连)工程技术有限公司 | A kind of efficient upright furnace cooling chamber |
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